Finding the Fourth Proportional to 4,280,756.08, 6,421,250.99 and 1,248,048.65
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Solution
The fourth proportional to 4,280,756.08, 6,421,250.99 and 1,248,048.65 is: 1,872,107.05
Step by Step Solution
- Step 1: Write the proportion equation
4,280,756.08 : 6,421,250.99 = 1,248,048.65 : x - Step 2: Convert to fraction form
4,280,756.08/6,421,250.99 = 1,248,048.65/x - Step 3: Cross multiply
4,280,756.08x = 6,421,250.99 × 1,248,048.65 - Step 4: Simplify right side
4,280,756.08x = 8,014,033,629,380.66 - Step 5: Solve for x
x = 8,014,033,629,380.66/4,280,756.08 - Step 6: Final answer
x = 1,872,107.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.